12211394252 has 6 divisors (see below), whose sum is σ = 21369939948. Its totient is φ = 6105697124.

The previous prime is 12211394243. The next prime is 12211394263. The reversal of 12211394252 is 25249311221.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1526424278 + ... + 1526424285.

It is an arithmetic number, because the mean of its divisors is an integer number (3561656658).

Almost surely, 2^12211394252 is an apocalyptic number.

It is an amenable number.

12211394252 is a deficient number, since it is larger than the sum of its proper divisors (9158545696).

12211394252 is a wasteful number, since it uses less digits than its factorization.

12211394252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3052848567 (or 3052848565 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The spelling of 12211394252 in words is "twelve billion, two hundred eleven million, three hundred ninety-four thousand, two hundred fifty-two".